Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Kelsey Cox

Bib: 14308FAge: N/A

MI

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 38%
Gender (Female)
#0 / 12578
Top 22%
Age Group (F18-39)
#0 / 5716
Top 39%
Race Day Weather
51°/41°F
overcast clouds
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  • Segment-by-segment breakdown
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Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:27
3.11 mi
Rank: #13184
Start5K
23:27 | 7:33/mi
10K
47:01
6.21 mi
Rank: #13419 (-235)
5K10K
23:34 | 7:36/mi
15K
1:10:29
9.32 mi
Rank: #13318 (+101)
10K15K
23:28 | 7:34/mi
20K
1:33:55
12.43 mi
Rank: #13079 (+239)
15K20K
23:26 | 7:33/mi
HALF
1:39:02
13.11 mi
Rank: #13084 (-5)
20KHALF
5:07 | 7:31/mi
25K
1:57:22
15.53 mi
Rank: #12886 (+198)
HALF25K
18:20 | 7:34/mi
30K
2:21:00
18.64 mi
Rank: #12421 (+465)
25K30K
23:38 | 7:37/mi
20M
2:31:09
20.00 mi
Rank: #12138 (+283)
30K20M
10:09 | 7:29/mi
21M
2:38:53
21.00 mi
Rank: #11879 (+259)
20M21M
7:44 | 7:44/mi
35K
2:44:29
21.75 mi
Rank: #11803 (+76)
21M35K
5:36 | 7:30/mi
23M
2:54:00
23.00 mi
Rank: #11632 (+171)
35K23M
9:31 | 7:37/mi
24M
3:01:24
24.00 mi
Rank: #11473 (+159)
23M24M
7:24 | 7:24/mi
40K
3:07:52
24.85 mi
Rank: #11350 (+123)
24M40K
6:28 | 7:34/mi
25.2M
3:10:45
25.20 mi
Rank: #11322 (+28)
40K25.2M
2:53 | 8:22/mi
FINISH
3:17:52
26.22 mi
Rank: #11118 (+204)
25.2MFINISH
7:07 | 7:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:39:02
Pace7:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:50
Pace7:33 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3223:277:3323:27
7:33
-
10K
6.21 mi11:17:0647:017:3423:34
7:36
+0:03
15K
9.32 mi11:40:341:10:297:3423:28
7:34
-0:02
20K
12.43 mi12:04:001:33:557:3423:26
7:33
-0:01
HALF
13.11 mi12:09:071:39:027:345:07
7:31
-0:02
25K
15.53 mi12:27:271:57:227:3418:20
7:34
+0:03
30K
18.64 mi12:51:052:21:007:3423:38
7:37
+0:03
20M
20.00 mi13:01:142:31:097:3410:09
7:29
-0:08
21M
21.00 mi13:08:582:38:537:347:44
7:44
+0:15
35K
21.75 mi13:14:342:44:297:345:36
7:30
-0:14
23M
23.00 mi13:24:052:54:007:349:31
7:37
+0:07
24M
24.00 mi13:31:293:01:247:347:24
7:24
-0:13
40K
24.85 mi13:37:573:07:527:346:28
7:34
+0:10
25.2M
25.20 mi13:40:503:10:457:352:53
8:22
+0:48
FINISH
26.22 mi13:47:573:17:527:347:07
7:00
-1:22

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:00 /mi

Average Pace

7:33 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:07:15

95% of race

Time at Steady Pace

7:44

4% of race

Time at Slower Pace

2:53

1% of race

Average Pace: 7:33 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:53:3223:277:3323:27
7:33
#13184
10K
6.21 mi11:17:0647:017:3423:34
7:36
#13419
15K
9.32 mi11:40:341:10:297:3423:28
7:34
#13318
20K
12.43 mi12:04:001:33:557:3423:26
7:33
#13079
HALF
13.11 mi12:09:071:39:027:345:07
7:31
#13084
25K
15.53 mi12:27:271:57:227:3418:20
7:34
#12886
30K
18.64 mi12:51:052:21:007:3423:38
7:37
#12421
20M
20.00 mi13:01:142:31:097:3410:09
7:29
#12138
21M
21.00 mi13:08:582:38:537:347:44
7:44
#11879
35K
21.75 mi13:14:342:44:297:345:36
7:30
#11803
23M
23.00 mi13:24:052:54:007:349:31
7:37
#11632
24M
24.00 mi13:31:293:01:247:347:24
7:24
#11473
40K
24.85 mi13:37:573:07:527:346:28
7:34
#11350
25.2M
25.20 mi13:40:503:10:457:352:53
8:22
#11322
FINISH
26.22 mi13:47:573:17:527:347:07
7:00
#11118
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131843593359313265(Top 46%)3726(Top 30%)3726(Top 65%)
10K6.21 mi3.10 mi13419-2353757-1643757-16413736(Top 47%)3956(Top 31%)3956(Top 69%)
15K9.32 mi3.11 mi13318+1013730+273730+2713265(Top 46%)3726(Top 30%)3726(Top 65%)
20K12.43 mi3.11 mi13079+2393625+1053625+10512344(Top 43%)3289(Top 26%)3289(Top 58%)
HALF13.11 mi0.68 mi13084-53629-43629-413093(Top 45%)3617(Top 29%)3617(Top 63%)
25K15.53 mi2.42 mi12886+1983532+973532+9711933(Top 41%)3129(Top 25%)3129(Top 55%)
30K18.64 mi3.11 mi12421+4653317+2153317+21510507(Top 36%)2521(Top 20%)2521(Top 44%)
20M20.00 mi1.36 mi12138+2833181+1363181+1368977(Top 31%)1903(Top 15%)1903(Top 33%)
21M21.00 mi1.00 mi11879+2593050+1313050+1318098(Top 28%)1654(Top 13%)1654(Top 29%)
35K21.75 mi0.75 mi11803+763026+243026+2410773(Top 37%)2885(Top 23%)2885(Top 50%)
23M23.00 mi1.25 mi11632+1712957+692957+699657(Top 33%)2423(Top 19%)2423(Top 42%)
24M24.00 mi1.00 mi11473+1592898+592898+599401(Top 32%)2374(Top 19%)2374(Top 42%)
40K24.85 mi0.85 mi11350+1232864+342864+349347(Top 32%)2445(Top 19%)2445(Top 43%)
25.2M25.20 mi0.35 mi11322+282866-22866-210773(Top 37%)3214(Top 26%)3214(Top 56%)
FINISH26.22 mi1.02 mi11118+2042794+722794+727480(Top 26%)1697(Top 13%)1697(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21
+97ft-345ft

Overall

13265

Females

3726

F18-39

3726

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13736

Females

3956

F18-39

3956

10K→15K

6.2 - 9.3 mi

Top 46%
×3
+67ft-78ft

Overall

13265

Females

3726

F18-39

3726

15K→20K

9.3 - 12.4 mi

Top 43%
×5
+106ft-86ft

Overall

12344

Females

3289

F18-39

3289

20K→HALF

12.4 - 13.1 mi

Top 45%
×2
+19ft-37ft

Overall

13093

Females

3617

F18-39

3617

HALF→25K

13.1 - 15.5 mi

Top 41%
×4
+66ft-88ft

Overall

11933

Females

3129

F18-39

3129

25K→30K

15.5 - 18.6 mi

Top 36%
×9
+181ft-148ft

Overall

10507

Females

2521

F18-39

2521

30K→20M

18.6 - 20.0 mi

Top 31%
×5
+64ft-50ft

Overall

8977

Females

1903

F18-39

1903

20M→21M

20.0 - 21.0 mi

Top 28%
×8
+106ft-24ft

Overall

8098

Females

1654

F18-39

1654

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10773

Females

2885

F18-39

2885

35K→23M

21.8 - 23.0 mi

Top 33%
×5
+23ft-63ft

Overall

9657

Females

2423

F18-39

2423

23M→24M

23.0 - 24.0 mi

Top 32%
×6
+12ft-82ft

Overall

9401

Females

2374

F18-39

2374

24M→40K

24.0 - 24.9 mi

Top 32%
×1
+6ft-20ft

Overall

9347

Females

2445

F18-39

2445

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10773

Females

3214

F18-39

3214

25.2M→FINISH

25.2 - 26.2 mi

Top 26%
×2
+22ft-21ft

Overall

7480

Females

1697

F18-39

1697

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2891*
Passed By
603
Net Change
+2066
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13184
5K10K187200-235#13184#13419
10K15K248*147+101#13419#13318
15K20K288*49+239#13318#13079
20KHALF2631-5#13079#13084
HALF25K239*41+198#13084#12886
25K30K481*16+465#12886#12421
30K20M285*2+283#12421#12138
20M21M264*5+259#12138#11879
21M35K10125+76#11879#11803
35K23M18918+171#11803#11632
23M24M17819+159#11632#11473
24M40K14623+123#11473#11350
40K25.2M4517+28#11350#11322
25.2MFINISH214*10+204#11322#11118
TOTALS2891*603+2066

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

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OTQ

Olympic Trials Qualifying analysis available

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